The Western powers' worst fear by now was that the poverty and hunger envisioned by the Morgenthau Plan would drive the Germans to Communism. American Occupation General Lucius Clay stated, "There is no choice between being a communist on 1,500 calories a day and a believer in democracy on a thousand". The speech was also seen as a first firm stand against the Soviet Union as it stated the intention of the United States to maintain a military presence in Europe indefinitely. But the heart of the message was as Byrnes stated a month later "The nub of our program was to win the German people... it was a battle between us and Russia over minds.... " On the question of territorial integrity of Germany it was stated that "the United States will not support any encroachment on territory which is indisputably German or any division of Germany which is not genuinely desired by the people concerned. So far as the United States is aware the people of the Ruhr area and the Rhineland desire to remain united with the rest of Germany. And the United States is not going to oppose their desire." A stated exception to US support for self-determination was the support given in the speech to the French claim to the Saarland. Byrnes, who accepted Western Neisse as the provisional Polish border, also addressed the Polish and Soviet claims to all German territory east of the Oder-Neisse line, an area comprising roughly 25% of pre-war Germany. In his speech, he left the final extent of the area east of the Oder Neisse that would become permanently Polish to be decided in the future, stating, "The Soviets and the Poles suffered greatly at the hands of Hitler's invading armies. As a result of the agreement at Yalta, Poland ceded to the Soviet Union territory east of the Curzon Line. Because of this, Poland asked for revision of her northern and western frontiers. The United States will support revision of these frontiers in Poland's favor. However, the extent of the area to be ceded to Poland must be determined when the final settlement is agreed upon." Byrnes in fact did not state that such a change would take place. The purpose of the speech and associated US diplomatic activities was as propaganda aimed at Germany by the Western Powers, who could then blame Polish-German border and German expulsions on Moscow alone. The territory had been handed over to Polish and Soviet administration at the Potsdam conference, the border was to be determined at the peace conference, but with the area experiencing the flight and expulsion of Germans in 1944–50 it in the de facto became Polish and Soviet territory.
Polish response
The Polish government responded to the speech with loud rhetoric, with claims that the US was supporting remnants of the Hitler regime and officially claimed that the border set at Potsdam was final. In a speech, Władysław Gomułka condemned Byrne's speech and its implication of a border revision in favor of Germany as reactionary. It made Gomulka see it as further need for a strong Polish-Soviet Union alliance. Many years later, Polish leader Wojciech Jaruzelski would reflect on the implications of the speech:
It was a shocking statement. It made us think that our western border was being questioned by the Germans and by other Western countries. It was one of the most important things that strengthened our ties with the Soviet Union.
Olszewski asked the US ambassador to Poland for an explanation, claiming that the speech would have a negative impact on the Poles from beyond Curzon Line that were moving into western territories. Ambassador Arthur Bliss Lane reassured Byrne's speech should not be interpreted as US's desire to avoid its obligations made at Potsdam. He underlined that Poland was given provisional control over the area, and if the Polish settlers believed that their presence was permanent, it was due to work of Polish government and press itself. Lane later continued to reassure Poles of US friendship and was disturbed by distortion of Byrnes speech. Eventually, he learned, after discussing the issue with members of Department of State, that the speech was intended to "smoke out Molotov's attitude on the eve of elections in Germany". From November 1946, onward the US military government in Germany prepared a number of new alternative border plans. U.S. Secretary of StateGeorge Marshall insisted during the 1947 Council of Foreign Ministers meetings in Moscow and London that a border revision be done that would return agricultural areas Pomerania and Silesia to Germany while leaving Poland large part of eastern Pomernia and Upper Silesia, as well as Gdańsk and East Prussia. With backing from the UK and from France, he also advocated the establishment of a four-power commission that would be given the task of deciding the extent of the new border revisions in favor of Germany. The American change of tactic was motivated by two things: winning over German loyalties and embarrassing the Soviet Union; in private, American policy makers like Marshall admitted that chances of changing the border were "very slender". The speech had a negative impact on US relations with Poland but made the Germans more positive to the US, and the Soviet Union was forced to commit itself to the Oder-Neisse line. As a consequence of this commitment, the Soviet Union had to give up any hope of gaining influence over West Germany.
